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Builders-Tools
My project listConcrete calculatorConcrete slab calculatorCubic yard calculatorSee all: Concrete and masonryRoofing calculatorRoof pitch calculatorStair calculatorSee all: Framing and roofingGravel calculatorMulch calculatorTopsoil calculatorSee all: Landscape and hardscapeBags of concrete per yardConcrete curing timeLumber size chartSee all: Guides

25 calculators · Printable shopping lists · Sources on every page

How many bags, yards, sheets and posts?

Free calculators for the numbers every job starts with. Each one shows its math, names its source and ends in a shopping list you can print or save to your project list.

Concrete calculatorAll calculators
  • No sign-up
  • Runs in your browser
  • Sources on every page

Pick your job

Every calculator, grouped the way projects are.

Concrete and masonry

Concrete calculatorSlabs, footings, columns and steps in yards or bagsConcrete slab calculatorPatios, pads and garage floors, with a rebar gridCubic yard calculatorAny material: soil, stone, concrete, mulchPost hole concrete calculatorBags of concrete for fence and deck postsConcrete block calculatorBlocks, mortar and sand for a block wallBrick calculatorBricks, mortar and sand for a wallRebar calculatorBars, feet and pounds for a slab grid

Framing and roofing

Roofing calculatorSquares and shingle bundles from your house size and pitchRoof pitch calculatorPitch, angle, slope and rafter lengthStair calculatorRisers, treads and stringer length with code checksStud calculatorStuds and plates for a framed wallBoard foot calculatorBoard feet and cost for lumber and hardwoodDeck board calculatorBoards, rows and joists for a deck surfaceDrywall calculatorSheets, joint compound and tape for a roomSiding calculatorSquares of siding for the walls and gablesInsulation calculatorR-value for your climate zone and bags or rolls to buyBaseboard and trim calculatorLinear feet and pieces of baseboard, crown or casing

Landscape and hardscape

Gravel calculatorCubic yards and tons of gravel or stoneMulch calculatorBags or cubic yards of mulch for your bedsTopsoil calculatorCubic yards or bags of topsoilSand calculatorCubic yards and tons of sandPaver calculatorPavers, base gravel, sand and edging for a patioAsphalt calculatorTons of hot-mix asphalt for a driveway or patchFence calculatorPosts, rails and pickets for a fence lineRetaining wall block calculatorBlocks, caps, base gravel and drainage stone for a garden wall

Floors and areas

Square footage calculatorRooms, yards and odd shapes in sq ft, sq yd and m²Tile calculatorTiles and boxes for floors and wallsFlooring calculatorBoxes of laminate, vinyl plank or hardwood

From measurements to a shopping list

  1. MeasureLength, width, depth. Each calculator tells you exactly what to measure.
  2. CalculateSee the result, the math behind it and any code checks that apply.
  3. ShopPrint the job sheet, or save it to your project list and print everything together.

Project plans

Worked materials lists for common jobs.

All project plans
CarpentryBuild a 100 ft wood privacy fence Posts, rails, pickets and post concrete for 100 ft of 6 ft fence with one gate. MasonryBuild a 20 ft brick garden wall Brick, mortar and sand for a 20 x 3 ft single-wythe garden wall. InteriorDrywall a 12 x 14 bedroom Sheets, mud and tape for walls and ceiling of a 12 x 14 ft room with 8 ft ceilings. HardscapeLay a 12 x 16 paver patio Pavers, base and sand for a 192 sq ft patio of 4 x 8 in pavers. CarpentryLay out a straight basement stair Risers, treads and stringer length for a 9 ft rise. LandscapeMulch 200 sq ft of garden beds Bags or bulk yards to mulch 200 sq ft of beds at 3 in. ConcretePour a 12 x 12 concrete patio A 12 x 12 ft patio 4 in thick: concrete, base, forms and a shopping list. RoofingReroof a 40 x 30 gable roof Squares, bundles and edge materials for a simple 6/12 gable roof.

Reference and how-to

All guides
How Deep Should Fence Posts Be?Fence post depth: Quikrete says 1/3 to 1/2 of the post height above ground plus 6 in of gravel, in a hole 3 t…How Long Does Concrete Take to Cure?Concrete needs at least 7 days of moist curing in mild weather and reaches its design strength at 28 days. Wh…How Many Bags of Concrete Are in a Yard? (40, 50, 60 and 80 lb)How many bags of concrete make a cubic yard: 45 bags of 80 lb, 60 bags of 60 lb and 90 bags of 40 lb, from Qu…How Much Does a Yard of Concrete Weigh?A cubic yard of normal concrete weighs about 4,000 lb (about 2 tons), at roughly 150 lb per cubic foot. What …Nominal vs Actual Lumber SizesWhy a 2x4 is 1-1/2 x 3-1/2 inches: nominal and actual (dressed) sizes for common dimension lumber and boards …Paver Base DepthICPI guidance for paver patios and walks: at least 4 in of compacted base and about 1 in of bedding sand. How…